Pressure swing adsorption apparatus for hydrogen purification from decomposed ammonia gas and hydrogen purification method using the same
US-12508535-B2 · Dec 30, 2025 · US
Water
Water · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01B2210/0062 |
| Official title | Water |
| Display label | Water |
| Total patents | 40 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 5 |
| 2020 | 5 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Carbon dioxide reusing system and method
US-2025369687-A1 · Dec 4, 2025 · US
Carbon dioxide reusing system and method
US-12416447-B2 · Sep 16, 2025 · US
Apparatus and process for providing a production gas output from an air separation system
US-2025262593-A1 · Aug 21, 2025 · US
Apparatus and method for rapid cooling of high temperature gas
US-12383857-B2 · Aug 12, 2025 · US
Method of recycling helium from waste gas in semiconductor process
US-2025122079-A1 · Apr 17, 2025 · US
Methanol loop revamp by co intensification
US-2025109086-A1 · Apr 3, 2025 · US
Pressure swing adsorption apparatus for hydrogen purification from decomposed ammonia gas and hydrogen purification method using the same
US-2024100469-A1 · Mar 28, 2024 · US
Marine methanol inert gas blanketing
US-2023417206-A1 · Dec 28, 2023 · US
Process for separation of hydrogen and oxygen
US-11850546-B2 · Dec 26, 2023 · US
Improving the purity of a CO2-rich stream
US-2023264145-A1 · Aug 24, 2023 · US
Carbon dioxide reusing system and method
US-2023008927-A1 · Jan 12, 2023 · US
Methods and systems of sub-dew point sulfur recovery with interstage membrane units
US-11530131-B1 · Dec 20, 2022 · US
Apparatus and method for rapid cooling of high temperature gas
US-2022323897-A1 · Oct 13, 2022 · US
Process for separation of hydrogen and oxygen
US-2022152548-A1 · May 19, 2022 · US
Process for separation of hydrogen and oxygen
US-11285428-B2 · Mar 29, 2022 · US
Method and apparatus for separating a synthesis gas
US-10890376-B2 · Jan 12, 2021 · US
Process for separation of hydrogen and oxygen
US-2020353403-A1 · Nov 12, 2020 · US
Systems and methods related to syngas to olefin production
US-10745624-B2 · Aug 18, 2020 · US
Neon recovering/purifying system and neon recovering/purifying method
US-10703631-B2 · Jul 7, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B2210/0062?
- CPC C01B2210/0062 is the Cooperative Patent Classification code for “Water.”
- How many patents are filed under CPC C01B2210/0062 (Water)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC C01B2210/0062 growing?
- Publication counts under this code: 1 in 2024 vs 7 in 2025 (latest complete years).